Study Kohler et al. (2005): study DK 2002
- Public:
- 20-70 aged identical twins, Denmark, 2002
- Sample:
- Respondents:
- N = 3226
- Non Response:
- 26%
- Assessment:
- Questionnaire: paper
Correlate
- Authors's Label
- Age group
- Our Classification
-
-
- Related specification variables
-
-
- Operationalization
- 1 Age 25-45
2 Age 50-70
Observed Relation with Happiness
- age 25-45 M = 1.45 SD = 0.59
- age 50-70 M = 1.48 SD = 0.56
difference + 0.03
MALES
- age 25-45 M = 1.46 SD = 0.59
- age 50-70 M = 1.51 SD = 0.55
difference + 0.05
FEMALES
- age 25-45 M = 1.45 SD = 0.59
- age 50-70 M = 1.49 SD = 0.57
difference + 0.04
4-step lifesatisfaction reduced to 3-step by combining scores 1+2
Means and differences are calculated by WDH team